Syriac

ḥewyā - snake (LSyr. 220, SL 424)

PArm
*ḥiwy- - snake (Kogan 2015:394)
See also PWS *ḥyw ‘to live’ and Arb. ḥayyat- ‘snake’. For the semantic development “animal” > “snake” v. extensively SED II No. 159 and Kogan 2015:300.